Nikhil Kumar, who is from Jharkhand and is currently living in Loutolim village, shot Sujata Naik (19) dead and then tried to commit suicide by shooting himself in the stomach on Thursday evening at the girl’s home in Madkai village, Ponda police said.
Nikhil Kumar entered the girl’s house when her father was out of the house. The teenager was carrying his father’s revolver, who works as a security guard in a private company.
After shooting the girl twice, the boy then turned the gun on to himself and pulled the trigger, police said.
The girl, who died on the spot, was pursuing a graduate course from a government college at Khandola, about 20 km from Ponda town.
The boy has been admitted to Goa Medical College and Hospital near Panaji, police said, before adding that they are yet to ascertain the motive behind the killing.